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Generation and Coherent Control of Pulsed Quantum Frequency Combs
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Photonic arbitrary waveform generation applicable to multiband UWB communications.

Mario Bolea1, José Mora, Beatriz Ortega

  • 1ITEAM Research Institute, Universidad Politécnica de Valencia, 46022 Valencia, Spain.

Optics Express
|December 18, 2010
PubMed
Summary
This summary is machine-generated.

A new photonic structure enables flexible arbitrary waveform generation (AWG) by controlling optical signals. This system demonstrates reconfigurable pulse shaping for applications like multiband ultrawideband signaling.

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Area of Science:

  • Photonics
  • Optical Engineering
  • Signal Processing

Background:

  • Arbitrary waveform generation (AWG) is crucial for advanced communication systems.
  • Existing AWG techniques face limitations in flexibility and reconfiguration.

Purpose of the Study:

  • To propose and demonstrate a novel photonic structure for flexible and reconfigurable arbitrary waveform generation.
  • To investigate the use of electrooptical modulation, dispersive elements, and interferometric processing for waveform synthesis.

Main Methods:

  • Electrooptical intensity modulation of a broadband optical signal.
  • Transmission through a dispersive element for spectral shaping.
  • Optoelectrical processing using an interferometric structure with balanced photodetection.

Main Results:

  • The proposed structure allows full reconfiguration of generated waveforms via optical source power spectrum and interferometric control.
  • Balanced photodetection effectively removes the baseband component of the generated signal.
  • Experimental demonstration confirmed the generation of various pulse shapes, including multiband ultrawideband (UWB) signaling formats compliant with FCC requirements.

Conclusions:

  • The novel photonic structure offers a flexible and reconfigurable approach to arbitrary waveform generation.
  • The system's capability to generate FCC-compliant UWB signals highlights its practical applicability.
  • This technology paves the way for advanced signal generation in optical and wireless communication systems.